Install dependencies when linting

Author: Sam McHardy

.github/workflows/lint.yml

@@ -20,6 +20,8 @@ jobs:
           architecture: x64
       - name: Checkout python-binance
         uses: actions/checkout@v3
+      - name: Install dependencies
+        run: pip install -r requirements.txt
       - name: Install flake8
         run: pip install flake8
       - name: Run pyright